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1
Coco, Salvatore. "Ritmi stagionali negli Sparidi: 3 anni di video monitoraggio con l’osservatorio cablato OBSEA." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.
Знайти повний текст джерелаАнотація:
In questo studio è stato utilizzato un osservatorio video cablato (OBSEA, www.obsea.es) per il monitoraggio dei ritmi stagionale e annuali della composizione della comunità ittica costiera (20 m) nel Mediterraneo occidentale, in prossimità di una struttura artificiale. Nell’arco di 3 anni (2012-2014) è stata scattata una foto ogni 30 minuti utilizzando una videocamera ad alta risoluzione. Sono state inoltre registrate due importanti variabili ambientali che modulano il comportamento dei pesci: la temperatura dell'acqua e il fotoperiodo. In ogni foto è stato determinato il numero di individui di 6 specie appartenenti alla famiglia degli Sparidi: Dentex dentex, Diplodus sargus, Diplodus vulgaris, Diplodus puntazzo, Diplodus annularis, Diplodus cervinus. La ritmicità delle serie temporali è stata studiata utilizzando il linguaggio di computazione R attraverso uno dei suoi pacchetti aggiuntivi, RAIN. Inoltre, per evidenziare eventuali correlazioni tra le variabili scelte e le specie prese in esame sono state effettuate analisi di correlazione utilizzando il coefficiente per ranghi di Spearman. I risultati indicano che le specie D. dentex, D. sargus, D. annulars, D. vulgaris presentano una ritmicità annuale nella loro abbondanza presso la barriera artificiale. Dall’analisi di correlazione per ranghi di Spearman è stato osservato che la specie D. dentex presenta una correlazione positiva con entrambe le variabili ambientali. Le specie D. sargus e D. vulgaris presentano una correlazione positiva con la temperatura dell’acqua e nessuna correlazione con il fotoperiodo. Il D. annularis presenta una correlazione negativa con entrambe le variabili. Le specie D. puntazzo e D. cervinus non presentano nessuna correlazione con entrambe le variabili. La piattaforma OBSEA ha permesso di eseguire uno studio completo ed ha evidenziato le differenze ecologiche delle specie prese in esame, senza creare perturbazioni associate al campionamento.
2
Foroni, Andrea. "L'influenza del videoclip nel linguaggio cinematografico degli anni Ottanta." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022.
Знайти повний текст джерелаАнотація:
La mia tesi analizza l'influenza del videoclip nel linguaggio del cinema hollywoodiano degli anni Ottanta. Si parte dal rapporto tra musica popolare e immagini filmate nel corso del Novecento fino ad arrivare al rock 'n' roll e ai primi esempi di video musicali, per poi parlare dell'utilizzo della musica pop nel cinema della New Hollywood. L'argomento principale sarà poi l'analisi dei cambiamenti economici e produttivi nell'industria dell'intrattenimento negli anni Ottanta e le caratteristiche linguistiche del cinema americano coevo. Si analizza il rapporto con il musical, il recupero del concetto di attrazione e il confronto con le teorie di Ejzenstejn. Infine si analizzano alcuni esempi per esplorare le possibilità espressive del videoclip all'interno di un film cinematografico. Si farà molta attenzione al montaggio e al modo in cui la musica pop può agire sulla struttura narrativa del film, evidenziando differenze e punti in comune con la tradizionale narratività del cinema hollywoodiano "classico".
3
Fusari, Silvia. "L'autoritratto nel video d'arte: il dibattito teorico interdisciplinare dagli anni Settanta ad oggi. Proposta di un modello d'analisi con esempi dal panorama italiano tra il 1968 e gli anni Ottanta." Doctoral thesis, Università degli studi di Padova, 2016. http://hdl.handle.net/11577/3426768.
Повний текст джерелаАнотація:
This work unfolds delineating the typology of self-portrait videos to the extent available through the analysis of a series of interdisciplinary theoretical approaches from the 70’s up to today (based on the theories of Philippe Lejeune, Michel Beaujour, Raymond Bellour, Marie-Françoise Grange, Laura Rascaroli) for the purpose of confirming the existential conditions. In the absence of specific works on the subject, the self-portrait video emerges as an intellectual challenge, as it seems to possess excellent elusive and resistant qualities for the delimitation of conclusive definitions which have been acknowledged longstanding in traditional writings of the self. The second part presents, starting from assessed theoretical premises, the proposition for constructing a relevant reference analytical method, to which its general grid is modelled depending on the historical, historical-artistic, technical, formal, social, and personal variables that brought the elaboration of audiovisual works subjects of investigation. Simultaneously, the realization of this model has allowed to detect and select a first repertoire of examples of the Italian panorama from 1968 to the 80’s, to which this highlighted the necessary consideration of technical and historical aspects. In fact, the self-portrait video consists of a performative action which contains a visual metaphor made by subject through a linguistic and technical mediation necessarily present to highlight the social dimension. The third part attempts to introduce a few themes, such as the artist’s body and the relationship he has with his body and space, which contribute to the emblem of the author, symbol of a world not only corporal but also intimate, psychic, aesthetic, and spiritual. Attached are interviews of Maria Gloria Bicocchi, Lola Bonora, and Michele Sambin, conducted by experimenting with different interview models.Questo lavoro è teso a circoscrivere per quanto possibile la tipologia dell’autoritratto video attraverso l’analisi di una serie di presupposti teorici interdisciplinari dagli anni Settanta ad oggi (fondati sulle teorie di Philippe Lejeune, Michel Beaujour, Raymond Bellour, Marie-Françoise Grange, Laura Rascaroli), allo scopo di confermarne le condizioni di esistenza. In assenza di lavori specifici sul soggetto, l’autoritratto video emerge in questo quadro quale sfida intellettuale, dal momento che sembra possedere in massimo grado le qualità di elusività e resistenza a lasciarsi delimitare in una definizione conclusiva che da tempo sono riconosciute alle più tradizionali scritture del sé. La seconda parte espone, a partire dalle premesse teoriche vagliate, la proposta di costruzione di un modello d’analisi di riferimento, quale griglia generale da modulare di volta in volta secondo le variabili storiche, storico-artistiche, tecniche, formali, sociali e personali che hanno portato all’elaborazione delle opere audiovisive oggetto d’indagine. Allo stesso tempo, la realizzazione di questo modello è servita al rilevamento e alla selezione di un primo repertorio di esempi dal panorama italiano tra il 1968 e gli anni Ottanta, che ha evidenziato la necessità di considerarne gli aspetti tecnici e storici. L’autoritratto video si costituisce infatti come un atto performativo che compone una visualizzazione metaforica del soggetto attraverso una necessaria mediazione linguistica e tecnica che ne evidenzia la dimensione sociale. Nella terza parte si è tentato di proporre una lettura di alcuni nodi tematici quali la rappresentazione del corpo dell’artista e le relazioni di tale corpo con lo spazio, che concorrono a comporre l’emblema autoriale, simbolo di un mondo non solo corporeo ma anche interiore, psichico, estetico e spirituale. In allegato, alcune interviste a Maria Gloria Bicocchi, Lola Bonora e Michele Sambin, condotte sperimentando diversi modelli di interviste.
4
Carter, Matthew Joseph. "Video rate textured image generation with anti-aliasing enhancements." Thesis, University of Southampton, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241270.
Повний текст джерела
5
Oredsson, Anders. "Cognitive video surveillance: an ANN/CBR hybrid approach." Thesis, Norwegian University of Science and Technology, Department of Computer and Information Science, 2007. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9526.
Повний текст джерелаАнотація:
Cognitive vision is an interesting field of research that tries to create vision systems with cognitive abilities. Automated video surveillance is increasingly needed to watch our public transport systems, either as a totally automated system or as an operator assistant. In this thesis a design for a cognitive automated video surveillance system is proposed. A hybrid ANN/CBR behavior analysis system is proposed as a cognitive extension of existing video tracking system, and a prototype is developed. By investigating the current state of cognitive vision and automated video surveillance and by looking at existing hybrid approaches to combine them, it is argued that this approach is an area of research where few designs are implemented and tested. Several frameworks for both ANN/CBR hybrids are proposed in literature, and so called emergent cognitive system frameworks are also presented, but few implementations have been done. As far as our literature review has spanned, no automated video surveillance system is attempted with the use of an ANN/CBR hybrid.
6
Schwarzenbach, Tanja [Verfasser], and Berndt [Akademischer Betreuer] Ostendorf. "Die künstlerische Beziehung von Susan Sontag und Annie Leibovitz / Tanja Schwarzenbach ; Betreuer: Berndt Ostendorf." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2017. http://d-nb.info/122290926X/34.
Повний текст джерела
7
Kichler, Anna-Christina [Verfasser], and Michael [Akademischer Betreuer] Strupp. "Video-Kopfimpulstest : methodischer Vergleich zweier Messsysteme / Anna-Christina Kichler ; Betreuer: Michael Strupp." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2021. http://d-nb.info/1231233184/34.
Повний текст джерела
8
Suder, Gabriele. "Anti-dumping measures and the politics of EU-Japan trade relations in the European consumer electronics sector : the VCR case." Thesis, University of Bath, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260884.
Повний текст джерела
9
Bennie, Christopher. "Video Art, Authenticity and the Spectacle of Contemporary Existence: an exegesis." Thesis, Griffith University, 2009. http://hdl.handle.net/10072/365684.
Повний текст джерелаАнотація:
Edmond Husserl’s notion of ‘first sense’ experience is a phenomenological and
experiential interpretation of the world based on immediate pre-theoretical and precognitive
reflection. For Husserl, the apperception of the world using ‘first sense’
presupposes any scientific or theoretical understanding of it and presents a more
meaningful and truthful experience because it is based on the fact of being. Authentic
experience, in this exegesis, is considered a form of immediate and intuitive
experience in which the certainty of the ‘first sense’ world contrasts to the obedience
and homogenising effects of the spectacle and consumer society. For Guy Debord
(1967) and Jean Baudrillard (1970) consumption and production combined with the
omnipresence of mass media and advertising in contemporary existence is the
source of debilitating and homogenising behaviour. The monotony and regularity of
the work place, the separation of individuals through the comfort of television and the
focus on the accumulation of goods that is commonplace counteracts immediate and
intuitive experience and desecrates authentic living.
This exegesis examines how the video works of two international artists, Anri Sala
(2002) and Francis Alÿs (1999), and a selection of my own videos communicate the
concept of authentic experience by exploring familiar and unremarkable subjects.
The research hypothesises that although contemporary patterns of existence
subsume individual behaviour for economic gain (as theorised by Debord and
Baudrillard), authentic experience, in terms of immediate and ʻfirst senseʼ experience
is a primary source of meaning. The work of Bill Viola is used in this research to
contrast the use of video by Alys, Sala, and myself. Viola’s work demonstrates,
through its theatricality, high production values and grandiose themes, concerns that
are otherworldly and metaphysical as opposed to the immediate and of essentially
human character of the works that are central to this discussion.
By using the visual language of television and other time-based entertainment, video
has the ability to focus on individual and specific circumstances and spontaneous
behaviour in ways that viewers can easily recognise. Video art, paradoxically,
highlights the affect that technology, consumerism and homogeneity has on
individual experience through technology itself. In the videos of Sala and Alÿs,
natural, or actual, time, evidenced by the passing of the sun over billboards (Sala)
and Mexico’s City’s square (Alÿs), reveals social and political circumstances as well
as our relationship to a much larger cosmological system. My videos aim to
demonstrate authentic experience in the form of an immediate and intuitive response
to banal events, whereby the familiar is dislodged from its role as an apathetic
misnomer to the Spectacle through the combinatory use of video, audio and
performance.
The majesty of ordinary experience is revealed in my videos through expressions of
bashfulness, giggling, and waving in The Quick Step (2005), the rupturing of a cyclic
and repetitious sequence in When The Rain Comes (2007), highlighting consumer
behaviour and disrupting its rhythm through the use of play in Name That Tune
(2006), the use of audio to induce a sense of self-awareness in the viewer in Our
Communication Recorded (2006) and by displacing recognition with a mesmerising,
non-distinct form in The Alien’s Back (2007).Thesis (Professional Doctorate)
Doctor of Visual Arts (DVA)
Queensland College of Art
Arts, Education and Law
Full Text
10
Hensman, Paulina. "Intra-prediction for Video Coding with Neural Networks." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-224197.
Повний текст джерелаАнотація:
Intra-prediction is a method for coding standalone frames in video coding. Until now, this has mainly been done using linear formulae. Using an Artificial Neural Network (ANN) may improve the prediction accuracy, leading to improved coding efficiency. In this degree project, Fully Connected Networks (FCN) and Convolutional Neural Networks (CNN) were used for intra-prediction. Experiments were done on samples from different image sizes, block sizes, and block contents, and their effect on the results were compared and discussed. The results show that ANN methods have the potential to perform better or on par with the video coder High Efficiency Video Coding (HEVC) in the intra-prediction task. The proposed ANN designs perform better on smaller block sizes, but different designs could lead to better performance on larger block sizes. It was found that training one network for each HEVC mode and using the most suitable network to predict each block improved performance of the ANN approach.Intra-prediktion är en metod för kodning av stillbilder i videokodning. Hittills har detta främst gjorts med hjälp av linjära formler. Användning av artificialla neuronnät (ANN) skulle kunna öka prediktionsnoggrannheten och ge högre effektivitet vid kodning. I detta examensarbete användes fully connected networks (FCN) och convolutional neural networks (CNN) för att utföra intra-prediktion. Experiment gjordes på prover från olika bildstorlekar, blockstorlekar och blockinnehåll, och de olika parametrarnas effekt på resultaten jämfördes och diskuterades. Resultaten visar att ANN-metoder har potential att prestera bättre eller lika bra som videokodaren High Efficiency Video Coding (HEVC) för intra-prediktion. De föreslagna ANN-designerna presterar bättre på mindre blockstorlekar, men andra ANN-designs skulle kunna ge bättre prestanda för större blockstorlekar. Det konstaterades att prestandan för ANN-metoderna kunde ökas genom att träna ett nätverk för varje HEVC-mode och använda det mest passande nätverket för varje block.
11
McLean, David Parsons. "It's in the Game: The effect of Competition and Cooperation on Anti-Social Behavior in Online Video Games." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/71667.
Повний текст джерелаАнотація:
Video games have been criticized for the amount of violence present in them and how this violence could affect aggression and anti-social behavior. Much of the literature on video games effects has focused primarily on the content of video games, but recent studies show that competition in video games could be a major influence on aggression. While competing against other players has been shown to increase aggression, there is less research on whether the mere presence of a competitive environment can influence aggression. The existing research has also primarily been performed using surveys and lab experiments. While these two approaches are very useful, they lack the ecological validity of methods like field experiments. This study examined how competitiveness, teamwork, and co-operation affect anti-social behavior in video games. A 2 (competition: high vs low) x 2 (cooperation: vs no cooperation) x 2 (team: teammates vs opponents) online field experiment on hostile speech was performed. In this study, it was found that players experience more hostile language from their teammates than they do opponents. However, neither the level of competition nor cooperation had an effect on hostile language. There was a significant interaction between player team and cooperation, with teammates being less hostile in the cooperation condition and enemies being more hostile in the cooperation condition. Implications for hostility in online video games and group dynamics within online games are discussed.Master of Arts
12
Hunter, Marc W. "CRT anti-glare treatments, image quality, and human performance." Diss., Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/52323.
Повний текст джерелаАнотація:
This dissertation was a two-phase effort. Phase I investigated the physical image quality of 16 mesh, etched, and quarterwave antireflection filters for varying levels of filter transmissivity. Three levels of ambient lighting and two levels of monochrome CRT resolution were combined factorially with the filters. In addition, user measures of readability, legibility, and perceived image quality were obtained for these same filter and environmental conditions. Quantitative models were developed to predict the performance and subjective data based on signal and noise measures derived from the physical measurements. Phase II examined the effects of a wide range of filter transmissions and diffuse illuminance on measured image quality and the same user measures as in Phase I.
Phase I showed that while none of the glare filters yielded improved readability or legibility over a baseline condition, the etched and low transmission filters were notable for their degradation of human performance. Mesh and quarterwave filters were found to improve perceived image quality when a specular glare source was present. Modeling was minimally successful for the reading and legibility tasks, but yielded good fit models for perceived image quality. Phase II showed that when even extreme losses in display contrast occurred, users were capable of good reading and legibility performance. Perceived image quality was inversely related to illuminance level. Prediction of performance by image quality metrics was generally not too successful.
It was concluded that in office-type environments, mesh or quarterwave filters can be used to improve perceived image quality when specular glare sources are present, but that no anti-glare filters yielded enhanced short-term readability or legibility over a baseline. Etched filters were not recommended. Measures of physical image quality proved to be good predictors of perceived image quality, but not of timed measures of readability or legibility. Under moderate lighting conditions, monochrome CRTs should be fitted with fairly high transmission filters as it was found the contrast enhancement offered by low transmission filters had negligible effects on performance. Finally, consistent and repeatable findings of degraded legibility for high luminance contrast levels (low illuminance) generated questions as to the existing standards regarding maximum contrast requirements for CRT use.Ph. D.
13
Gertner-Dardenne, Julie. "Optimisation de l'activité anti-tumorale des lymphocytes T gamma9delta 2 humains." Toulouse 3, 2008. http://thesesups.ups-tlse.fr/195/.
Повний текст джерелаАнотація:
Si tous les vertébrés possèdent des lymphocytes T gamma delta, seuls les primates ont une sous-population sanguine exprimant un récepteur de type TCR Vgamma9Vdelta2. Cette dernière réagit à des phosphoantigènes non-peptidiques d'origine bactérienne et tumorale, déclenchant ainsi son activité anti-infectieuse et anti-cancéreuse. Cette thèse traite de l'optimisation de son potentiel thérapeutique anti-cancéreux. Ces lymphocytes cytotoxiques capturent des fragments membranaires de leurs cellules cibles et sécrètent leurs granules cytolytiques, à travers leur synapse immunologique. L'étude par vidéo-microscopie de l'activité moléculaire à la synapse des lymphocytes T gamma delta révèle la simultanéité de ces deux processus. Ainsi, le renforcement de l'attachement des lymphocytes T gamma delta à leurs cibles par la combinaison de phosphoantigène et d'anticorps thérapeutiques permet d'optimiser leur efficacité anti-tumorale. Cette thèse présente donc les bases moléculaires d'une nouvelle approche thérapeutique anti-cancéreuseAlthough all vertebrates possess gamma delta T lymphocytes, only primates have a blood-borne gamma delta T cell subset expressing a TCR Vgamma9Vdelta2 receptor. This population reacts to bacterial and tumoral non-peptidic phosphoantigens, triggering its anti-infectious and anti-cancer activity. This thesis deals with the optimization of the therapeutic anti-cancer activity of TCR Vgamma9Vdelta2 gamma delta T lymphocytes. These cytotoxic effectors capture membrane fragments of target cells and release cytolytic granules through their immunological synapse. The timelapse video-microscopy study of the molecular activity at the gamma delta T lymphocytes synapse shows both processes simultaneously. So, the strengthening of the gamma delta T lymphocytes synapses to their target through a combination of phosphoantigen and therapeutic antibody strongly optimizes their anti-tumor efficacy. This thesis presents the molecular basis for a new anti-cancer therapeutic approach
14
Lanzl, Christina Anna Verfasser], and Burcu [Akademischer Betreuer] [Dogramaci. "Doug and Mike Starn. Evolution from photography to public art / Christina Anna Lanzl ; Betreuer: Burcu Dogramaci." Heidelberg : arthistoricum.net, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:16-artdok-23216.
Повний текст джерела
15
Lanzl, Christina Anna [Verfasser], and Burcu [Akademischer Betreuer] Dogramaci. "Doug and Mike Starn. Evolution from photography to public art / Christina Anna Lanzl ; Betreuer: Burcu Dogramaci." Heidelberg : arthistoricum.net, 2013. http://d-nb.info/121510636X/34.
Повний текст джерела
16
Schmidt, Anne [Verfasser], and Stefan [Gutachter] Pollmann. "Spatial contextual cueing in handball players and action video game players / Anne Schmidt ; Gutachter: Stefan Pollmann." Magdeburg : Universitätsbibliothek Otto-von-Guericke-Universität, 2019. http://d-nb.info/1219965812/34.
Повний текст джерела
17
Khalef, Syrita. "The experience of taking anti-psychotic medication for schizophrenia : a thematic analysis of online video chat interviews." Thesis, Middlesex University, 2017. http://eprints.mdx.ac.uk/22578/.
Повний текст джерелаАнотація:
Purpose - The purpose of this research is to shed some light on the experience of individuals being medicated with anti-psychotics. The original contribution to knowledge is a study conducted online using Skype to interview young adults with schizophrenia about how their medication affects them socially; psychologically and physically. This will form the basis for further research in the field of counselling psychology, particularly regarding treating schizophrenia. The findings of this study may indicate additional services which healthcare providers can deliver, with the goal of improving the quality of treatment for managing schizophrenia in the long-term. Thus, these findings may lead to a greater focus and investment in high-quality, psychological interventions. Method – A convenience sample of nine participants (three female, six male), between the ages of 18 – 40 who were taking some form of anti-psychotic medication, took part in semi-structured interviews conducted via Skype. Thematic analysis was performed on the data, with relevant extracts from the interview transcriptions collated to form themes, and was predominantly inductive and driven by the data. The researcher was based in London, UK, while participants were based in the UK and other European countries. Main Findings – Participants reported their experiences of taking anti-psychotic medication. In total, eight themes were identified: (1) Being Different; (2) Self-Care is Important in Addition to Medication; (3) Successful Treatment Requires a Close Doctor-Patient Relationship; (4) Taking Anti-Psychotics Has Many Disadvantages; (5) Contemplating the Origins of the Disorder; (6) The Self Reframed by Diagnosis; (7) Environmental Support is Needed in Addition to Medication; (8) Anti-Psychotics Improve Quality of Life. Conclusion - The experience of being medicated with anti-psychotics is complex, and comprised of many factors. It was reported that, overall, this medication improved quality of life by reducing symptoms of psychosis. However, recovery is often hampered by disadvantages such as adverse side-effects and a loss of autonomy. Taking anti-psychotics can also negatively affect an individual’s self-image. From the viewpoint of the patient, medication is integral to the recovery process along with other relevant factors such as self-care, good communication with one’s doctor(s) and access to alternative treatment options. If healthcare professionals familiarise themselves with patients’ medication-related concerns and social needs, they will be better placed to offer the holistic support that is important for recovery. Subsequently, this could lead to greater treatment adherence, and higher rates of rehabilitation.
18
Downing, Jacqueline Victoria. "The effects of age, illumination, and anti-glare treatments on visual task performance and perceived image quality with VDTs." Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/54347.
Повний текст джерелаАнотація:
This dissertation investigated the effects of age on performance and image quality rating while varying screen surface treatment, ambient lighting, and character resolution. Five age groups were included, ranging from 18 to 69 years of age. The study used a factorial design to vary seven surface treatments which either reduced glare, enhanced contrast, or both; three lighting conditions, dark, diffuse, and specular; and two character resolutions, high and low, subtending visual angles of 16.1 arcmin. and 32.2 arcmin. respectively. Performance was measured using both a speed of reading task and a search task. In addition, subjects rated the image quality of displayed characters within each filter, lighting, resolution condition using a list of nine adjectives.
Results showed performance times to increase with age. The older age groups (40-49, 50-59, 60-69) performed better with the quarterwave filter, which enhanced contrast and reduced glare, and most poorly with the filters with the harshest etch (Gloss25) and the lowest transmission (31%). Performance was significantly slower for specular and dark lighting. A finding consistent with previous research indicated that extremely high luminance contrast degrades performance with low room illumination. Finally, for all conditions in which resolution was a factor performance was fastest and ratings were highest with the low resolution characters.Ph. D.
19
McEvoy, Kelly Anne. "Through the Eyes of a Bystander: Understanding VR and Video Effectiveness on Bystander Empathy, Presence, Behavior, and Attitude in Bullying Situations." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/56478.
Повний текст джерелаАнотація:
Peer bullying is a widespread and longstanding problem in school settings. Teachers, students, administrators, government, and researchers alike have all tried to combat bullying through bullying prevention campaigns. One strategy used in bullying prevention campaigns is to call on bystanders in bullying situations to take responsible action. While many different forms of campaigns, including print and media campaigns, have aimed at trying to reduce the presence of bullying in schools by informing bystanders, there is still a need to find new strategies for reducing bullying behavior. One potential media form that could be used in bullying prevention campaigns is the use of virtual reality. Virtual reality simulations allow for a more immersive environment than other media forms, as the medium is capable of creating feelings of presence, various perspectives, and empathy in its users. This thesis reports results from a one-factor, three-condition laboratory experiment comparing responses to portrayals of a bullying situation in which users (N = 78) were placed in the perspective of a bystander in a bullying scenario across three different media stimulus conditions: a customized virtual reality condition, a non-customized virtual reality condition, and a video condition. The study compared effects of the media stimulus conditions on empathy, attitudes toward bullying victims and bullying, and anticipated future bystander behaviors, as well as presence and other outcomes related to perceptions of bullying. While it was hypothesized that the study would find stronger effects on empathy and anti-bullying bystander attitudes and anticipated behaviors among the VR conditions, and in particular the customized VR condition, the study found no differences between media stimulus conditions for any outcomes except a significant effect on empathy, with participants in the video condition tending to report more feelings of empathy for participants than participants in the other two conditions, and perceptions of bullying as a problem in the participants' school, again with scores highest in the video condition. This pattern of results was further explored in a follow-up qualitative focus group study (N = 10), in which trends from two focus group sessions featuring 10 participants indicated that the quality of the virtual reality graphics effected empathy, a lack of bystander intervention options reduced effectiveness, and customization cues had little effect on participants. Results from the laboratory experiment and follow-up focus group study suggest that in some cases, it may be difficult to use VR simulations to elicit empathy-related prosocial responses. While further study is needed to clarify what features of VR simulations might make them most effective in encouraging certain prosocial behaviors, findings here suggest that photorealistic graphics should be used in VR simulations to evoke empathy, additional intervention capabilities in VR simulations could make them more effective in producing bystander intervention behavior, and that customization cues should be prominent and possibly individually tailored.
'Master of Arts
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Souza, Mônica Irma Aparecida Valdeci de. "Atividade antibacteriana e capacidade remineralizadora de dentina afetada ou de lesão de mancha branca em esmalte, após aplicação de géis experimentais de nanopartículas ou vidro bioativo /." Araraquara, 2020. http://hdl.handle.net/11449/192122.
Повний текст джерелаАнотація:
Orientador: Ângela Cristina Cilense ZuanonResumo: O tratamento da dentina afetada e das lesões de mancha branca com agentes antibacterianos e remineralizadores tem sido uma alternativa eficaz na longevidade das restaurações, porém não há estudos em que um gel de uso odontológico seja composto por nanopartículas de dióxido de titânio (NPTiO2), hidroxiapatita (NPHA), óxido de zinco (NPZnO), vidro bioativo F 18 (VBF18) e fluoreto de sódio (NaF). O objetivo deste estudo foi avaliar a capacidade antibacteriana e remineralizadora de géis experimentais que compuseram os grupos G0- Glicerina (controle negativo), G1- NPHA 3%, G2- NPTiO2 3%, G3- NPZnO 3%, G4- VB F18 3%, G5- NaF 5%, G6- NPTiO2 + NaF 5%, G7- NPZnO 3% + NaF 5%, G8- CLX 0.2%, G9- NPHA 3% + NaF 5% e G10- VB F18 3% + NaF 5%, utilizados no tratamento prévio da dentina afetada antes do selamento da cavidade com cimento de ionômero de vidro (CIV) e na remineralização de lesões de mancha branca. Blocos de dentina e esmalte bovinos passaram por desafio cariogênio monoespécie (S. mutans) induzindo mancha branca em esmalte e cárie em dentina. Os espécimes (esmalte e dentina após remoção da dentina infectada) foram tratados com os géis experimentais e, os de dentina, restaurados com o CIV. Foi avaliada a atividade antibacteriana por meio do teste de halo de inibição e atividade antibiofilme, por meio contagem de unidades formadoras de colônias (UFC/ml), sendo o último também analisado em microscopia eletrônica de varredura (MEV). Todos espécimes foram submetidos aos testes de rugos... (Resumo completo, clicar acesso eletrônico abaixo)
Doutor
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Raileanu, Petrut. "“Why you mad?” - User and media perception on game design anti-piracy measures." Thesis, Uppsala universitet, Institutionen för speldesign, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-413147.
Повний текст джерелаАнотація:
Video game developers have implemented multiple measures to combat piracy throughout history. One of these measures, defined in this study as in-game anti-piracy measures, prevents player progression on unauthorized copies by degrading gameplay or drastically increasing the difficulty.This study conducts a content analysis research on textual data gathered from the world wide web to assess the public perception in regards to this type of anti-piracy measures. The data gathered for this study consists of 425 statements in the form of comments and forum posts that have been coded, divided into themes and then analyzed inductively to generate findings that can be linked to Moshirnia’s (2012) previous research.Even though no clear results occurred that can confirm Moshirnia’s (2012) findings, this study has discovered a potential connection between in-game anti-piracy measures promoting piracy. The findings also suggest that the unique “broke features” might lead to the popularization of games modded to let legitimate users experience them too.
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Henß, Ann-Kathrin [Verfasser], and Joost [Akademischer Betreuer] Wintterlin. "Diffusion in a crowded adsorbate layer : a video-rate scanning tunneling microscopy study / Ann-Kathrin Henß ; Betreuer: Joost Wintterlin." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2019. http://d-nb.info/1199816604/34.
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OLIVEIRA, Marcos André Soares de. "Laser aleatório por conversão ascendente de freqüência em neodímio." Universidade Federal de Pernambuco, 2009. https://repositorio.ufpe.br/handle/123456789/6199.
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Previous issue date: 2009Universidade Federal de Pernambuco
Nesta dissertação são apresentados resultados experimentais que demonstram a operação de um laser aleatório constituído por um meio fortemente espalhador que contém partículas dopadas com íons de neodímio. As partículas, de formas irregulares e tamanho da ordem de 30 m, foram obtidas após pulverizarmos vidros fluoroindatos dopados com três diferentes concentrações em mol% de Nd3+: 0,5; 1,0; e 3,0. Apresentamos resultados de emissão por conversão ascendente de freqüência envolvendo Nd3+ (processo anti-Stokes). O bombeamento óptico é feito por um laser de corante centrado em 575 nm (pulsos de 10 ns; taxa de repetição de 5 Hz), em ressonância com a transição 4 I9/2 → 2 G7/2 do Nd3+. A emissão do laser aleatório ocorre em 381 nm, sendo mais eficiente na amostra que contém 3% de Nd3+. A emissão anti-Stokes ocorre devido a um processo de transferência de energia entre íons de Nd3+. Os comportamentos espectral e temporal são analisados para a caracterização do laser aleatório
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Bennachie, Calum. "Controlling anti-gay hate speech in New Zealand : a thesis submitted to the Victoria University of Wellington in fulfilment of the requirements for the degree of Doctor of Philosophy in Education (Gender Studies) /." ResearchArchive@Victoria e-Thesis, 2009. http://hdl.handle.net/10063/1204.
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Khoreva, Anna [Verfasser], and Bernt [Akademischer Betreuer] Schiele. "Learning to segment in images and videos with different forms of supervision / Anna Khoreva ; Betreuer: Bernt Schiele." Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2017. http://d-nb.info/1152095234/34.
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Khoreva, Anna Verfasser], and Bernt [Akademischer Betreuer] [Schiele. "Learning to segment in images and videos with different forms of supervision / Anna Khoreva ; Betreuer: Bernt Schiele." Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:291-scidok-ds-269954.
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Hopp, Tobias. "Harnessing the Selective Effects of Arousal in the Context of Persuasive Message Delivery: Violent Video Games, Reactance, Post-Scroll Messaging, and Anti-Violence Messages." Thesis, University of Oregon, 2014. http://hdl.handle.net/1794/18387.
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The present dissertation explored the effectiveness of inserting anti-violence, pro-social messages into violent video games. In light of previous, inconsistent findings relative to the effectiveness of in-game persuasive message placement, this study introduced the notion of "post-scroll" video game messaging (i.e., insertion of a persuasive message immediately after the end of a game level or sequence). The theoretical framework employed in this work suggested that video game play would be associated with heightened levels of arousal. Subsequently, the expectation was that heightened levels of arousal would influence message processing on a conditional basis. The results indeed suggested that the combination of high arousal and low levels of message induced state reactance was associated with a number of favorable message outcomes. The results also suggested that the ability to detect message reactance potential was markedly compromised in highly stimulating media environments. Specifically, the current findings indicated that highly aroused message evaluators may rely on externally provided cues when assessing a message's reactance potential. Taken as a whole, the current work's findings provided initial evidence that post-scroll messaging can be a fruitful means of persuasive message delivery.2016-09-29
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Mariager, Nadja Marie. "Komplikationer ved pædagogisk neurovidenskab : med inddragelse af Ann-Elisabeth Knudsens overførsel af viden fra neurobiologi til pædagogik /." Kbh. : Københavns Universitet, Det Naturvidenskabelige Fakultet, 2008. http://www.undervisere.dk/ObjectOtherShowExtra.aspx?ObjectId=54251.
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Villarreal-Licona, Aida M. ""Pa'l Norte," "Sueño Americano" e "Ice El Hielo": Un Análisis del Video Musical en el Desmontaje de la Retórica Anti-Inmigrante en los Estados Unidos." Scholarship @ Claremont, 2016. http://scholarship.claremont.edu/scripps_theses/884.
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This thesis is an analytical case study of three music videos, "Pa'l Norte" by Calle 13, "Sueño Americano" by Los Rakas, and "Ice El Hielo" by La Santa Cecilia. It explores the visual and lyric narratives of these works and their role in critiquing anti-immigration rhetoric towards Latino immigrants in the United States in a post-9/11 context. Through critical analysis, this thesis argues that their work is vital in dismantling the dehumanizing and criminalizing language prevalent in legal and popular discourse, as well as challenging the manifestations of everyday "illegality."
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Rafael, Maria Teresa Rabelo. "A escrita do eu em La Place e Les Armoires Vides, de Annie Ernaux: entre a história e a sociologia." Universidade Federal da Paraíba, 2014. http://tede.biblioteca.ufpb.br:8080/handle/tede/6285.
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Previous issue date: 2014-03-28Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES
Notre travail propose une analyse de deux oeuvres de l'écrivaine françaiseAnnie Ernaux: La place (1983) etLes armoires vides (1974).On a eu comme premier objectif de saisir quels éléments esthétiques et thématiques font de l'écriture de l'auteure un exposant du récit à la première personne. Ensuite, on a établi uneeélation entre les deux oeuvres en question avec quelques aspects et discussions de la Sociologie. Pour cela, l'étude s'articule autour de trois axes principaux.Le premier est consacré aux caractéristiques de l'écriture du moi dans la littérature française contemporaine qui, selon Dominique Viart (2002), met en scène, à travers un récit non linéaire, la crise du sujet provoquée par une instabilité identitaire, ses questions existentielles reproduites dans la voix du narrateur et dans le choix d'une syntaxe construite de façon à perturber l'énonciation. Le deuxième axe met en parallèle des concepts sociologiques développés par Pierre Bourdieu (1998, 2001, 2009, 2011, 2013), tels que violence symbolique, valeurs de classe, distinction sociale,tout en les mettant en rapport avec l'écriture littéraire d'Annie Ernaux. L'étude établitencore une relation entre la nouvelle historiographie, bouleversée par le mouvement des Annales, qui prend l'expérience d'individus de petits groupes sociaux pour objet d'étude, présentant leurs particularités et reconstituant l'histoire à partir d'une autre perspective analytique, telle que formulée, entre autres, par des théoriciens comme Ginzburg (1987), Reis (2000), Dosse (2003) et Rojas (2012). Le troisième axe procède à une analyse des deux oeuvres littérairesà la lumière des discussions sur le rôle de la mémoire dans l'écriture du moi, les éléments sociologiques présents dans les textes d'Annie Ernaux,mettant en évidence, par ailleurs,les inquiétudes du sujet de notre temps à travers des questions et des problématiques posées par le personnage narrateur. Cette étude révèlequelques tendences esthétiques qui viennent de s imposer dans la française contemporaine, plus précisément en ce qui concerne l'écriture du moi d'Annie Ernaux.
Nosso trabalho propõe uma análise deduas obras da escritora francesa Annie Ernaux: La place (1983) e Lesarmoires vides (1974). Tivemos como primeiro objetivo apreender quais elementos estéticos e temáticos fazem da escrita da autora um expoente da narrativa em primeira pessoa. Em seguida, relacionamos a análise das duas obras em questão com alguns aspectos e discussões da Sociologia. Para isso, dividimos nosso trabalho em três eixos principais. O primeiro diz respeito às características da escrita do eu na literatura francesa contemporânea que, segundo Dominique Viart (2002), põe em cena, por meio de uma narrativa não-linear, a crise do sujeito causada pelas instabilidades identitárias, suas questões existenciais reproduzidas na voz do personagem narrador, além da escolha de uma sintaxe construída de modo a perturbar a enunciação. O segundo eixo refere-se à utilização de algunsconceitos sociológicos desenvolvidos por Pierre Bourdieu (1998, 2001, 2009, 2011, 2013), taiscomo violência simbólica, valores de classe, distinção sociale os relaciona com a escrita literária de Annie Ernaux. Ainda no mesmo eixo,o estudo estabeleceuma relação entre a nova historiografia, revolucionada pelo movimento dos Annales, que toma como objeto de estudo a experiência de indivíduos de pequenos grupos sociais, apresentando suas singularidades e reconstruindo a história a partir de uma outra perspectiva analítica, tal como formulada, entre outros teóricos, por Ginzburg (1987), Reis (2000), Dosse (2003) e Rojas (2012). O terceiro eixo faz uma análise de ambas asobras e as relaciona com as discussões sobre o papel da memória na escrita do eu, os elementos sociológicos presentes nos textos, além de evidenciar as inquietações do sujeito do nosso tempo através de questões e problemáticas colocas pelo personagem narrador. Por fim, esse estudo evidenciaalgumas tendências estéticas que vêm predominando na literatura francesa contemporânea, mais precisamente no que tange à escrita do eu de Annie Ernaux.
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Castilho, Aline Rogéria Freire de. "Propriedades biológicas e mecânicas de um cimento de ionômero de vidro associado à clorexidina ou à doxiciclina." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/288609.
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Orientador: Regina Maria Puppin-RontaniTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: Procedimentos de remoção parcial de cárie, indicados para os dentes com lesão de cárie profunda, utilizam-se do preceito de retirar a dentina mais amolecida e infectada,deixando-se uma fina camada de dentina afetada por cárie, sobre a câmara pulpar, evitandoseassim, exposição pulpar mecânica. Contudo, algumas bactérias cariogênicas podem permanecer na dentina por indeterminados períodos de tempo, podendo ocasionar progressão da lesão. Assim, estudos conduzidos com o propósito de melhorar a propriedade antibacteriana de materiais restauradores, sem, contudo produzir efeitos citotóxicos em células odontoblastóides e capaz de manter as propriedades básicas do material pode ser uma alternativa no tratamento de lesões de cárie profundas, uma vez que não existe um produto comercialmente disponível que associe todas estas características. No intuito de facilitar a apresentação desta Tese, a mesma foi dividida em dois capítulos, como descrito nas proposições seguintes. Capítulo 1: avaliar in vitro as propriedades biológicas (ação antibacteriana contra Streptococcus mutans, Lactobacillus acidophilus, Lactobacillus casei e Actinomyces viscosus, e cito toxicidade em células de linhagem odontoblástica MDPC-23)e mecânicas (resistência à compressão e à tração diametral) de um cimento de ionômero de vidro modificado por resina (Fuji Lining LC), contendo digluconato de clorexidina em diferentes concentrações (0,2%, 0,5%, 1,25% e 2,5%) e assim determinar a concentração terapêutica para utilização desta substância em tratamentos restauradores. Capítulo 2:verificar in vitro o comportamento de um cimento de ionômero de vidro modificado por resina (Fuji Lining LC) contendo hiclato de doxiciclina nas concentrações 1,5%, 3% e 4,5%frente a diferentes patógenos cariogênicos (Streptococcus mutans, Lactobacillusacidophilus, Lactobacillus casei e Actinomyces viscosus), células odontoblástóides MDPC-23 e quando submetidos aos ensaios mecânicos de resistência à compressão e à tração diametral. Os resultados observados em ambos os estudos mostraram que a incorporação de antimicrobianos ao cimento de ionômero de vidro, é capaz de melhorar significativamente efeito inibitório do cimento contra microrganismos criogênicos. A adição de dig luconato de clorexidina a 2,5% promoveu ligeira alteração no metabolismo e morfologia das células MDPC-23. O hiclato de doxiciclina, quando incorporado ao ionômero de vidro mesmo em maiores concentrações, não causou efeitos tóxicos em cultura de células odontoblásticas MDPC-23. Além disso, o cimento de ionômero de vidro contendo digluconato declorexidina a 2,5% apresentou resistência à compressão reduzida, sem alteração da propriedade de resistência a tração diametral do cimento. A adição de hiclato de doxiciclina não alterou as propriedades mecânicas do cimento. Assim, a adição de hiclato de doxiciclina e de digluconato de clorexidina nas concentrações estudadas produziu aumento na atividade antimicrobiana sem efeitos citotóxicos e alteração nas propriedades mecânicas da mistura, exceto para o digluconato de clorexidina a 2,5%, que apresentou o menor resistência a compressão e alterações no metabolismo e morfologia de células pulpares.
Abstract: Partial caries removal approaches are indicated to the management of deep caries. It consists of the incomplete removal of softened carious dentine during cavity preparation, leaving a soft dentine layer over the pulp, so that it is not mechanically exposed. However, some viable cariogenic bacteria have been found in the remaining affected dentine, which may promote caries lesion progression. Therefore, studies aimed to improve inhibitory effect of the restorative materials, without cytotoxic effects on odontoblast cells and able to keep properties of material could be an alternative to the treatment of deep caries lesions. Nevertheless, the disposal-marketed products do not associate all those features. In order to facilitate the accomplishment of this Thesis, it was divided into two chapters, as described on the following descriptions. Chapter 1: to evaluate in vitro biological properties (antibacterial effect against Streptococcus mutans, Lactobacillus acidophilus, Lactobacillus casei and Actinomyces viscosus, and cytotoxicity at odontoblast cell line MDPC-23) and mechanical properties (compressive strength and diametral tensile strength) of a resin-modified glass ionomer cement (Fuji Lining LC) containing different concentrations of chlorhexidine digluconate (0.2%, 0.5%, 1.5% and 2.5%) and, thus to determine the therapeutic concentration of it for using in restorative dental treatment. Chapter 2: to verify in vitro the performance of a resin-modified glass ionomer cement (Fuji Lining LC) containing the antibiotic doxycycline hyclate at 1.5%, 3% and 4.5% against some cariogenic pathogens (Streptococcus mutans, Lactobacillus acidophilus, Lactobacillus casei and Actinomyces viscosus); to analyze it indirect contact with odontoblast-like MDPC-23 cells; and, to reveal the mechanical properties under compressive strength and diametral tensile strength. Results of both studies proved that the incorporation of antimicrobials at adequate proportions into the glass ionomer cement have the ability to become better inhibitory effects of the cement against cariogenic bacteria. The 2.5% chlorhexidine digluconate added to glass ionomer cement promoted slight alteration on the mebolism and morfology of MDPC-23 cells. The incorporation of doxycycline hyclate to glass ionomer cement, even in the highest concentration, did not cause toxic effects on culture of odontoblast-like MDPC-23 cells. In addition, 2.5% chlorhexidine digluconate-containing glass ionomer cement decreased the compressive strength of cement, although there was no difference to diametral tensile strength. The adding of doxycycline hyclate did not alter mechanical properties of cement. It was concluded that doxycycline hyclate and chlorhexidine digluconate in the studied concentrations produced increased antimicrobial activity without cytotoxic effects and changes in mechanical properties of the mixture, except for the 1.25% chlorhexidine digluconate that presented the lowest compressive strength and alterations on metabolism and morphology of pulp cells.
Doutorado
Odontopediatria
Doutor em Odontologia
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Ali, Aras Emil, and Dulguun Tuvshintugs. "ANTI-ADBLOCK : En kvalitativ studie om varför individer inte blockerar reklam på webben." Thesis, Södertörns högskola, Institutionen för samhällsvetenskaper, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-41256.
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Reklam anses vara lika gammal som mänskligheten och lika universell som kultur. Ur den synvinkeln är reklam en del av det sociala livet, där människor gör utbyten som gynnar båda parterna. Under de senaste decennierna har samma mänsklighet upplevt den digitala världens intensiva tillväxt, där idag nästan allt går att finna. Det har aldrig varit lättare för företag att inte enbart marknadsföra sig globalt men även ha omedelbara interaktioner med deras konsumenter. På andra sidan spektrumet spåras alla internetanvändare genom sin digitala resa med företag och organisationer som tittar på deras varje steg för att sedan presentera personligt anpassade annonser. Denna utveckling i teknik och annonser på internet har lett till att påträngande annonser har blivit ett frekvent klagomål kring internetmarknadsföring. Adblock är ett filtreringsverktyg (tillägg) som kan appliceras för att blockera reklam på webben. Verktyget kom till vid sekelskiftet och har snabbt blivit ett populärt tillägg till webbläsare. Många har kommit att ta del av dess fördelar med att blockera banderoller, pop-ups och videoannonser. Samtidigt som reklamundvikande inte enbart orsakar företagen enorma förluster kan det ytterligare skada webbplatserna samt alla andra parter inblandade. Dessutom kan en fortsatt ökning av annonsblockerare i slutändan leda till slutet av gratis digitalt innehåll. Vidare kan ett reklamundvikande ske kognitivt, beteendemässigt eller mekaniskt utan att nyttja annonsblockerare. Detta kan också resultera i kostnader för företag som producerar reklam på internet. Därav ansågs en studie utförd på icke-annonsblockerarnas synpunkt vara nödvändig för att förstå vilka faktorer det är som gör att man inte installerar och använder en annonsblockerare. Syftet med denna studie är att kartlägga och belysa individers bakomliggande faktorer till varför de inte installerar annonsblockerare. Teorigenomgången av denna studie omfattar ämnen om varför människor installerar eller avböjer från att installera applikationer, automaticity, approach-avoidance theory, inattentional blindness, och banner blindness theory. Den analyserade data i studien samlades in genom en kvalitativ metod med 18 semistrukturerade intervjuer med individer som har en kännedom om annonsblockerare och som även har medvetet valt att inte tillämpa tillägget på webben. Studien avgränsade sig till att undersöka människors uppfattning och upplevelse mot banderoller, pop-ups och videoannonser på endast datorer. Studien har upptäckt att respondenterna bland annat inte upplever reklam som störande, att de är tekniskt okunniga eller att reklam upplevs som intressanta. Vidare undviker dock respondenterna redan reklam genom en vana och erfarenhet. Dessutom att de fokuserar på sina behov som huvudändamålet när de besöker webbsidor. Vidare hade webbsidors design och miljö en påverkan i närmande och undvikande av reklam. Denna data tolkades och sedan analyserades vara faktorer till varför man inte blockerar reklam. Slutligen har studien även upptäckt att banderoller beroende på dess design eller budskap är den mest positivt mottagna annonstypen.Advertisement is considered as old as mankind and as universal as culture. In that sense it is a part of social life itself, where mutually beneficial exchanges are made. During the last couple of decades that same mankind has experienced the intense growth of the digital world, where today almost anything and everything can be found. It has never been easier for companies to not only market themselves globally but have instant interactions with their consumers. On the other side of the spectrum, all internet users are tracked throughout their digital journey with companies and organizations watching their every move to then present personalized advertisement. Thus, intrusion have become a frequent complaint associated with online marketing. Adblock is a filtering tool (extension) that can be applied to block out advertisement on the web. This tool came to be at the turn of the century and have rapidly become a popular addition to browsers. Many have come to take part of its benefits of blocking out banners, pop-ups and video ads alike. While ad avoidance is not only causing companies tremendous amounts of loss, it could further harm the websites that carry them, and all other parties involved. Furthermore, a continued increase of ad blockers could ultimately lead to the end of free digital contents altogether. Moreover, ad avoidance can still take place cognitively, behaviourally or mechanically without the use of an adblocker. This can also cause losses for the companies producing ads on the internet. Thereof, a study executed upon the non-ad blockers’ point of view is deemed necessary in order to understand what factors prevent the installation or use of an adblocker. The purpose of this study is to map out and highlight individuals’ underlying factors to why they do not install ad blockers. The literature review of this study covers the subjects of why people install or reject applications, automaticity, approach-avoidance theory, inattentional blindness, and banner blindness theory. The analysed data in the study was collected through a qualitative method with 18 semi-structured interviews with individuals who are not only aware of the existence of ad blockers but who have deliberately chosen not to make use of the extension. The study delimited itself to studying people’s perception and experience of banners, pop-ups and video ads through computers only. The study found that the respondents for instance do not experience ads as disruptive, that they are technologically inexpert or that ads are perceived as interesting. However, the respondents already do avoid ads through their habit and experience. Moreover, that they focus on their needs as their main purpose of visiting websites. Furthermore, websites’ design and environment did influence approaching or avoiding ads. This data was interpreted and analysed to be factors as to why people do not block ads. Finally, the study finds that banners depending on their design or message were the most positively received ad form.
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Junior, Wagner Perez Morales. "O mundo dos monstros. Estudo sobre France/tour/détour/deux/enfants, de Jean-Luc Godard e Anne-Marie Miéville." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/27/27153/tde-22032012-093509/.
Повний текст джерелаАнотація:
France/tour/détour/deux/enfants é uma série produzida em 1979 por Jean-Luc Godard e Anne-Marie Miéville para a televisão francesa que foi ao ar em abril de 1980 pelo canal Antenne 2. Esta dissertação tem como objetivo contextualizar essa fase da obra godardiana em parceria com Miéville, indicando procedimentos internos à produção dessa série que cristalizaram o processo de experimentação iniciado por Godard em trabalhos antecedentes (sobretudo nas produções com o Grupo Dziga Vertov, assim como na série Six fois deux: sur et sous la communication, de 1976) e que desaguaram na sua produção posterior em vídeo, particularmente Histoire(s) du Cinéma (1989). Este trabalho é dividido em dois capítulos: Tour e Détour. O primeiro situa historicamente a produção da série, contextualizando o diálogo que ela estabelece com videoartistas contemporâneos a Godard e Miéville que, desde o final da década de 1960, viam a televisão como um lugar passível de ser povoado pela arte. O segundo capítulo, Détour, parte da noção de desvio e busca investigar como ela se materializa na construção formal da série. Nesse sentido, o texto incorpora a própria noção de desvio a fim de propor uma análise da obra que privilegia alguns de seus elementos: o quadro, a margem, a manifestação do feminino, o uso do slow motion, os gestos e o rosto. A conclusão aponta para o esquecimento ao qual France/tour/détour/deux/enfants foi submetida como um exemplo da tendência televisiva em anular toda e qualquer tentativa de criação de caráter experimental e crítico realizada em seu seio, seja fadando-as à desaparição, seja relegando-as a um estado de exceção.France/tour/détour/deux/enfants is a TV show in 12 episodes produced by Jean-Luc Godard and Anne-Marie Miéville for the French television in 1979. The series was broadcast in April 1980, by the channel Antenne 2. This dissertation is aimed at contextualizing this period of Godards work in partnership with Miéville, and indicating internal procedures of this series which crystallized the experimental process initiated by Godard in his early works (especially with the Dziga Vertov Group, as well as in the previous TV series Six fois deux, sur et sous la communication, 1976), and which would lead to his later video production, particularly Histoire(s) du Cinéma (1989). This work is divided into two chapters: Tour and Détour. The first chapter historically situates the production years of the series and contextualizes the dialogue it establishes with video-artists from those years, who started to see television as a place that could be occupied by art. The second chapter takes the concept of detour as its starting point and proposes an analysis on how one can see this notion in the formal construction of the series. In this sense, I incorporated the very notion of detour in order to propose an analysis that would favor some of the works elements: the frame, the margin, the manifestation of the feminine, the use of slow motion, the gestures and the face. The conclusion indicates how France/tour/detour/deux/enfants was forsaken as an example of the television trend to override any attempt of experimental and critical creation conducted from within, whether condemning it to disappearance, or relegating it to a state of exception.
34
Bélanger, Anne-Marie. "(S')Habiter, présence et passage ou Ma nature a horreur du vide." Master's thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/32267.
Повний текст джерелаАнотація:
Ce mémoire rend compte d’où j’en suis dans ma pratique artistique, à un moment où je tente d’articuler un questionnement sur l’habiter incluant la mobilité, avec sa matérialisation dans une œuvre statique. Dans ce texte comme dans ma production, vous trouverez des fragments provenant de lieux divers, personnels, publics, naturels, urbains, autant que d’univers de pensée variés. En effet, la philosophie, la géographie et la psychanalyse sont mises à contribution et assemblées tant bien que mal pour tenter de saisir comment se joue une présence au monde, dans le corps, le lieu, la pensée, le mouvement, les choses. Ces réflexions accompagnent un corpus d’œuvres tirées de l’exposition Ma nature a horreur du vide, qui ont été réalisées à la suite de déambulations, en ville et en forêt.
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Carranza, López José Camilo. "On the synchronization of two metronomes and their related dynamics /." Ilha Solteira, 2017. http://hdl.handle.net/11449/151204.
Повний текст джерелаАнотація:
Orientador: Michael John BrennanResumo: Nesta tese são investigadas, teórica e experimentalmente, a sincronização em fase e a sincronização em anti-fase de dois metrônomos oscilando sobre uma base móvel, a partir de um modelo aqui proposto. Uma descrição do funcionamento do mecanismo de escapamento dos metrônomos é feita, junto a um estudo da relação entre este e o oscilador de van der Pol. Também uma aproximação experimental do valor do amortecimento do metrônomo é fornecida. A frequência instantânea das respostas, numérica e experimental, do sistema é usada na analise. A diferença de outros trabalhos prévios, os dados experimentais têm sido adquiridos usando vídeos dos experimentos e extraídos com ajuda do software Tracker. Para investigar a relação entre as condições iniciais do sistema e seu estado final de sincronização, foram usados mapas bidimensionais chamados ‘basins of attraction’. A relação entre o modelo proposto e um modelo prévio também é mostrada. Encontrou-se que os parâmetros relevantes em relação a ambos os tipos de sincronização são a razão entre a massa do metrônomo e a massa da base, e o amortecimento do sistema. Tem-se encontrado, tanto experimental quanto teoricamente, que a frequência de oscilação dos metrônomos aumenta quando o sistema sincroniza-se em fase, e se mantém a mesma de um metrônomo isolado quando o sistema sincroniza-se em anti-fase. A partir de simulações numéricas encontrou-se que, em geral, incrementos no amortecimento do sistema levam ao sistema se sincronizar mais em fase d... (Resumo completo, clicar acesso eletrônico abaixo)
Doutor
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Mogenfelt, Karl-Oskar. "Lo sviluppo delle visioni del mondo nel seno della famiglia e della società in cambiamento : Lessico famigliare di Natalia Ginzburg e Les armoires vides di Annie Ernaux a confronto." Thesis, Umeå universitet, Institutionen för språkstudier, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-160851.
Повний текст джерелаАнотація:
La presente tesi tratta del fenomeno dello sviluppo della visione del mondo, da un punto di vista sociologico, seguendo la teoria e il metodo di critica letteraria del saggista marxista Lucien Goldmann, che si focalizza sul ruolo di contesti socioeconomici e temporali. Il materiale primario di analisi è costituito dei due romanzi Lessico famigliare di Natalia Ginzburg e Les armoires vides (“Gli armadi vuoti”) di Annie Ernaux.
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Clédat, Patrice. "Réalisation et étude comparative de dépôts céramiques obtenus par arc électrique sous vide ou dépôts ioniques : application à l'analyse du comportement anti-usure et des mécanismes de défaillance de revêtements PVD et CVD (TiN, CrN, DLC) sur outils de mise en forme." Limoges, 1999. http://www.theses.fr/1999LIMO4001.
Повний текст джерелаАнотація:
L'analyse des défaillances d'outils d'emboutissage et l'étude des traitements de surface pouvant y remédier sont les principaux objectifs de l'étude. Les mécanismes de croissance des couches diffèrent selon le procédé de dépôt. Ainsi, dans le cas des dépôts PVD, en arc électrique la majorité des espèces est ionisée alors qu'en dépôts ioniques les espèces métalliques sont neutres. Ceci explique que la taille des grains de CrN est plus faible en arc qu'en dépôts ioniques. Ces mécanismes sont également liés à la nature du dépôt. Ainsi, le titane présente une affinité pour l'azote nettement plus forte que le chrome. Cela conduit à l'incorporation d'azote dans la couche induisant un niveau de contraintes plus élevé pour TiN que pour CrN. Cela explique aussi la difficulté d'obtenir des dépôts stoechiométriques de CrN. Les propriétés mécaniques des revêtements optimisés au laboratoire sont comparables quels que soient la technique PVD et le matériau déposé. Une corrélation entre les propriétés mécaniques et microstructurables des couches a été mise en évidence. En général, la microdureté croît avec le niveau de contraintes qui augmente quand la taille des grains diminue. Une bonne résistance à l'usure nécessite une forte adhérence, obtenue seulement pour des dépôts stoechiométriques. Les caractéristiques des couches optimisées au laboratoire sont comparables à celles des dépôts industriels. L'étude donne des éléments sur la hiérarchisation des traitements sur outil d'emboutissage. Un matériau multicouche obtenu par CVD donne le meilleur résultat. Il est concurrencé par CrN obtenu par PVD qui a une limite de tenue plus basse mais dont le coût est moindre. TiN se révèle moins performant que CrN pour l'emboutissage. Son utilisation est justifiée pour la découpe. Le DLC est limité par son adhérence, alors qu'il est excellent quand un bon frottement est particulièrement recherché. Cette étude pose les bases physiques aux préconisations d'emploi des traitements de surface.
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Antonini, C. "Superhydrophobicity as a strategy against icing. Analysis of the water/surface dynamic interaction for icing mitigation." Doctoral thesis, Università degli Studi di Bergamo, 2011. http://hdl.handle.net/10281/222265.
Повний текст джерелаАнотація:
The thesis illustrates the efforts made to proof how water repellent surfaces can help reducing ice accretion in icing conditions: tests performed in an icing wind tunnel showed that application of superhydrophobic coatings allow considerable savings in supplied heating power, necessary to keep an aerodynamic wing clean from ice, and reduce runback ice, which often forms in unprotected areas.
The present thesis is the result of a three year research study, aimed at understanding the potential of superhydrophobicity for combating icing accretion on aircrafts. The project was performed in the framework of a collaboration between University of Bergamo, University of Alberta and Alenia Aermacchi, an Italian aeronautic company.
A considerable part of the work has been devoted to understanding the dynamic interaction between the liquid and the solid surface through single drop impact experiments. Performing drop impact studies allowed explaining the role of different parameters, e.g. impact Weber number and surface wettability, during drop impact on a solid surface and identifying the mechanisms that promote water shedding from the surface. Water drop impact tests performed in isothermal conditions allowed to understand in which conditions surface wettability has an effect on drop dynamics, and also to evaluate characteristic times related to drop impact (e.g. spreading time and rebound time). Water drop impact in freezing conditions, i.e. on surfaces below 0°C, showed that surface temperature does not affect drop dynamics, unless frost is present on the surface.
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Carranza, López José Camilo [UNESP]. "On the synchronization of two metronomes and their related dynamics." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/151204.
Повний текст джерелаАнотація:
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Nesta tese são investigadas, teórica e experimentalmente, a sincronização em fase e a sincronização em anti-fase de dois metrônomos oscilando sobre uma base móvel, a partir de um modelo aqui proposto. Uma descrição do funcionamento do mecanismo de escapamento dos metrônomos é feita, junto a um estudo da relação entre este e o oscilador de van der Pol. Também uma aproximação experimental do valor do amortecimento do metrônomo é fornecida. A frequência instantânea das respostas, numérica e experimental, do sistema é usada na analise. A diferença de outros trabalhos prévios, os dados experimentais têm sido adquiridos usando vídeos dos experimentos e extraídos com ajuda do software Tracker. Para investigar a relação entre as condições iniciais do sistema e seu estado final de sincronização, foram usados mapas bidimensionais chamados ‘basins of attraction’. A relação entre o modelo proposto e um modelo prévio também é mostrada. Encontrou-se que os parâmetros relevantes em relação a ambos os tipos de sincronização são a razão entre a massa do metrônomo e a massa da base, e o amortecimento do sistema. Tem-se encontrado, tanto experimental quanto teoricamente, que a frequência de oscilação dos metrônomos aumenta quando o sistema sincroniza-se em fase, e se mantém a mesma de um metrônomo isolado quando o sistema sincroniza-se em anti-fase. A partir de simulações numéricas encontrou-se que, em geral, incrementos no amortecimento do sistema levam ao sistema se sincronizar mais em fase do que em anti-fase. Adicionalmente se encontrou que, para dado valor de amortecimento, diminuir a massa da base leva a uma situação em que a sincronização em anti-fase é mais comum do que a sincronização em fase.
This thesis concerns a theoretical and experimental investigation into the synchronization of two coupled metronomes. A simplified model is proposed to study in-phase and anti-phase synchronization of two metronomes oscillating on a mobile base. A description of the escapement mechanism driving metronomes is given and its relationship with the van der Pol oscillator is discussed. Also an experimental value for the damping in the metronome is determined. The instantaneous frequency of the responses from both numerical and experimental data is used in the analysis. Unlike previous studies, measurements are made using videos and the time domain responses of the metronomes extracted by means of tracker software. Basins of attraction are used to investigate the relationship between initial conditions, parameters and both final synchronization states. The relationship between the model and a previous pendulum model is also shown. The key parameters concerning both kind of synchronization have been found to be the mass ratio between the metronome mass and the base mass, and the damping in the system. It has been shown, both theoretically and experimentally, that the frequency of oscillation of the metronomes increases when the system reaches in-phase synchronization, and is the same as an isolated metronome when the system synchronizes in anti-phase. From numerical simulations, it has been found that, in general, increasing damping leads the system to synchronize more in-phase than in anti-phase. It has also been found that, for a given damping value, decreasing the mass of the base results in the situation where anti-phase synchronization is more common than in-phase synchronization.
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Silva, Márjully Eduardo Rodrigues da. "Influência da incorporação de nanopartículas de trimetafosfato de sódio associado ou não à clorexidina nas propriedades microbiológicas, físico-mecânicas e de redução da desmineralização de cimento de ionômero de vidro /." Araçatuba, 2015. http://hdl.handle.net/11449/127858.
Повний текст джерелаАнотація:
Orientador: Cristiane DuqueCoorientador: Alberto Carlos Botazzo Delbem
Banca: Denise Pedrini
Banca: Thiago Cruvinel da Silva
Resumo: O objetivo deste estudo foi avaliar a influência da incorporação de nanopartículas de trimetrafosfato de sódio (TMP) e clorexidina (CHX) nas propriedades microbiológicas, físico-mecânicas e na capacidade de redução da desmineralização de um cimento de ionômero de vidro modificado por resina (CIV) indicado para restauração. Inicialmente, foram determinados nove grupos de estudo: 1) CIV; 2) CIV + CHX 1,25%; 3) CIV + CHX 2,5%; 4) CIV + TMP 7%; 5) CIV+ CHX 1,25% + TMP 7%; 6) CIV + CHX 2,5% + TMP 7%; 7) CIV+ TMP 14%; 8) CIV + CHX 1,25% + TMP 14%; 9) CIV + CHX 2,5% + TMP 14%. Para determinar a atividade antimicrobiana desses CIV contendo ou não TMP e CHX foi realizado o teste de difusão em ágar com Streptococcus mutans, Lactobacillus acidophilus, Actinomyces israelii e Candida albicans. Após 24h, os halos de inibição obtidos pelos CIV foram mensurados com o auxílio de um paquímetro digital. Corpos-de-prova dos CIV foram confeccionados utilizando matrizes específicas e avaliadas as seguintes propriedades físico-mecânicas para cada grupo de materiais do estudo: resistência à compressão e à tração diametral e dureza de superfície, além de determinar a liberação total de fluoreto (F) e de TMP. Foram preparados 80 blocos a partir de incisivos bovinos e selecionados pelo teste de dureza de superfície do esmalte (DS1). Os corpos-de-prova dos CIV foram adaptados aos blocos de esmalte recém-preparados e submetidos às ciclagens de pH. A seguir, foi analisada a dureza de superfície final do esmalte (DS2) para o cálculo da porcentagem da perda de dureza de superfície (%PDS) e verificar a capacidade do material em reduzir a desmineralização. Os dados foram submetidos aos testes de ANOVA e Bonferroni ou Student-Newman-Keuls, considerando p≤0,05. Os resultados mostraram que a adição...
Abstract: The aim of this study was to evaluate the influence of the association of sodium trimetaphosphate nanoparticles (TMP) and chlorhexidine (CHX) on the microbiological, physical-mechanical and enamel demineralization reduction of glass ionomer cement (GIC). Initially, nine groups of the study were defined: 1) control - GIC Fuji LII; 2) GIC+ 1.25% CHX; 3) GIC + 2.5% CHX; 4) GIC + 7%TMP; 5) GIC+ 1.25% CHX + 7%TMP; 6) GIC + 2.5% CHX + 7%TMP; 7) GIC+ 14%TMP; 8) GIC + 1.25% CHX + 14%TMP; 9) GIC+ 2.5% CHX + 14% TMP. The antimicrobial activity of GIC containing or not CHX/TMP was determined by agar diffusion test against Streptococcus mutans, Lactobacillus acidophilus, Actinomyces israelii and Candida albicans. After 24h, the inhibition zones obtained by the GIC were measured with a digital caliper. GIC specimens were prepared using specific stainless steel molds in order to evaluate the following physical-mechanical properties for each material group: compressive and diametral tensile strength and superficial hardness, besides to determine total fluoride and TMP release. Eighty enamel blocks were prepared from extracted bovine incisors and selected through the initial surface hardness test (SH1). GIC specimens were adjusted to the enamel blocks and submitted to pH-cyclings. After that, final superficial hardness (SH2) was determined in order to obtain the percentage of superficial hardness loss (%SHL) and observe the capacity of the materials in reducing enamel demineralization. Data were submitted to ANOVA and Bonferroni or Student-Newman-Keuls statistical tests, considering p≤0.05. The results showed that the addition of chlorhexidine increased the antimicrobial activity of GIC for all groups. The physical-mechanical properties of GIC, especially compressive strength, were jeopardized by the association...
Mestre
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Heide, Anna Maria von der [Verfasser], and Ekkehard [Akademischer Betreuer] Eulert. "Der Camera Augmented Mobile C-arm : präklinische Testung eines neuen Video C-Bogens und erste klinische Erfahrungen unter besonderer Berücksichtigung der applizierten Strahlendosis, des Indikationsspektrums und des Workflows / Anna Maria von der Heide. Betreuer: Ekkehard Eulert." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2015. http://d-nb.info/1067752404/34.
Повний текст джерела
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Hughes, Chelsea M. "A MEASURE OF SOCIAL BEHAVIOR IN TEAM-BASED, MULTIPLAYER ONLINE GAMES: THE SOCIALITY IN MULTIPLAYER ONLINE GAMES SCALE (SMOG)." VCU Scholars Compass, 2015. http://scholarscompass.vcu.edu/etd/3884.
Повний текст джерелаАнотація:
Video games have become a new platform for social interaction. I review the sociality of video games and the relationship between virtual- and real-world behaviors. I review and address the pros and cons of methods of measuring social behavior. Finally, I present two studies drawn from internet populations. In Study 1 (N = 250), I develop a scale, The Sociality in Multiplayer Online Games Scale (SMOG), which measures the frequency of social gaming behaviors in team-based, multiplayer online games. I hypothesized these to align on dominance and affiliation dimensions of social interaction (Kiesler, 1982). In Study 2 (N = 104), I conduct a confirmatory factor analysis, which supports a two-factor structure—Destructive and Constructive social behavior, resulting in the SMOG-6. I examine construct validity using measures of dominance and affiliation. Controlling for age, gender, and frequency of game-play, both factors predict dominance. SMOG-Destructive negatively, and SMOG-Constructive positively, predicted affiliation.
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Östberg, Frida. "Musikvideor inom konstvetenskaplig tolkning II : Med fokus på jämförande analyser." Thesis, Uppsala universitet, Konstvetenskapliga institutionen, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-412782.
Повний текст джерелаАнотація:
This essay starts out in the world of art science looking out through the glasses of Anne D’Allevas analysis of performance and videoart, digital art and Roland Bathes Semiotics. By using Meta narratives and Popular culture we will examine how one music video and one video artwork lives in the same sphere. The point of this essay is to raise awareness of how popular culture is viewed both within, but also outside of the academic world. This essays will thoroughly analyze and discuss the differences that can be discovered when comparing music videos to video art. By connecting these findings to meta narratives we will uncover cultural and time specific traits, temporalities and narrative-structures.
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Mattiolli, Isadora Buzo. "O corpo como questão : relações entre feminismos e arte contemporânea no Brasil." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/180777.
Повний текст джерелаАнотація:
Este trabalho investiga a produção em fotografia e vídeo de artistas que utilizaram o próprio corpo como objeto de representação nos anos 1970, sob um viés de análise feminista e de gênero. O objetivo principal foi o de destacar se houve ou não a influência do movimento feminista de segunda onda na obra de artistas brasileiras. As artistas Anna Bella Geiger, Anna Maria Maiolino, Iole de Freitas, Lenora de Barros, Regina Vater e Sonia Andrade fazem parte do meu escopo de estudos de caso. O desenvolvimento do trabalho foi fundamentado em entrevistas inéditas com as artistas pesquisadas e a apreciação de suas obras que atendem ao recorte escolhido. A partir da criação de três categorias baseadas no conteúdo dos trabalhos artísticos, foram definidos os seguintes temas: a esfera do privado em oposição à pública, a construção ficcional de si e a estética da violência. Cada um desses núcleos temáticos orientam os três capítulos que constituem a dissertação: “O corpo é a casa”, “O corpo é a camuflagem” e “O corpo é a fissura”, respectivamente. No primeiro capítulo, apresento obras que expõem questões relativas ao espaço doméstico e às funções gendradas vivenciadas por mulheres, por meio da interlocução teórica de Hannah Arendt e Jayne Wark. No segundo, aponto obras que se relacionam com a ideia de identidade fragmentada com base em construções ficcionais de si. Teresa de Lauretis, Donna Haraway, Luiz Sérgio de Oliveira e Janet Wolff foram as contribuições teóricas mais significativas do capítulo. Por fim, no terceiro, abordo obras produzidas no contexto da ditadura militar no Brasil, que confrontam as violências do período decorrente de censuras, torturas e cerceamento das liberdades individuais e coletivas, baseando-me em três autores que se dedicaram sobre o período: Artur Freitas, Claudia Calirman e Margareth Rago. Com o suporte metodológico de uma análise de conteúdo das entrevistas e o parecer teórico-crítico das obras, foi possível inferir que o discurso das artistas sobre os seus trabalhos não possui intenções feministas na maioria das vezes. Todavia, as ideias presentes nos seus trabalhos em fotografia e vídeo indicam preocupações comuns ao feminismo daquele período. A contradição entre o discurso e a prática foi a pergunta que guiou o processo de escrita do trabalho.This work investigates the photography and video production of artists who used their own body as an object of representation in the 1970s, under a bias of feminist and gender analysis. The main objective was to highlight the possible influence of the second wave feminist movement on the work of brazilian artists. The artists Anna Bella Geiger, Anna Maria Maiolino, Iole de Freitas, Lenora de Barros, Regina Vater and Sonia Andrade are part of my scope of case studies. The development of the work was based on unpublished interviews with the artists researched and the appreciation of their work that meet the chosen cut. From the creation of three categories based on the content of artistic work, the following themes were defined: the private sphere as opposed to the public, the fictional construction of self, and the aesthetics of violence. Each of these thematic nuclei guide the three chapters that constitute the dissertation: "The body is the house", "The body is the camouflage" and "The body is the fissure", respectively. In the first chapter, I present works that expose questions regarding the domestic space and the gendered functions experienced by women, through the theoretical interlocution of Hannah Arendt and Jayne Wark. In the second, I point to works that relate to the idea of fragmented identity based on fictional constructions of self that artists have developed for photography and video. Teresa de Lauretis, Donna Haraway, Luiz Sérgio de Oliveira and Janet Wolff were the most significant theoretical contributions of the chapter. Lastly, in the third, I approach works produced in the context of the military dictatorship in Brazil, which confront the violence of the period resulting from censorship, torture and restriction of individual and collective freedoms, based on three authors who dedicated themselves on the period: Artur Freitas, Claudia Calirman and Margareth Rago. With the methodological support of a content analysis of the interviews and the theoretical-critical opinion of the works, it was possible to infer that the discourse of the artists about their works does not have feminist intentions in the majority of the times. However, the ideas present in their work in photography and video indicate concerns common to feminism during that period. The contradiction between discourse and practice was the question that guided the writing process of the work.
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ANTONINI, Carlo. "Superhydrophobicity as a strategy against icing. Analysis of the water/surface dynamic interaction for icing mitigation." Doctoral thesis, Università degli studi di Bergamo, 2011. http://hdl.handle.net/10446/881.
Повний текст джерелаАнотація:
The thesis illustrates the efforts made to proof how water repellent surfaces can help reducing ice accretion in icing conditions: tests performed in an icing wind tunnel showed that application of superhydrophobic coatings allow considerable savings in supplied heating power, necessary to keep an aerodynamic wing clean from ice, and reduce runback ice, which often forms in unprotected areas.
The present thesis is the result of a three year research study, aimed at understanding the potential of superhydrophobicity for combating icing accretion on aircrafts. The project was performed in the framework of a collaboration between University of Bergamo, University of Alberta and Alenia Aermacchi, an Italian aeronautic company.
A considerable part of the work has been devoted to understanding the dynamic interaction between the liquid and the solid surface through single drop impact experiments. Performing drop impact studies allowed explaining the role of different parameters, e.g. impact Weber number and surface wettability, during drop impact on a solid surface and identifying the mechanisms that promote water shedding from the surface. Water drop impact tests performed in isothermal conditions allowed to understand in which conditions surface wettability has an effect on drop dynamics, and also to evaluate characteristic times related to drop impact (e.g. spreading time and rebound time). Water drop impact in freezing conditions, i.e. on surfaces below 0°C, showed that surface temperature does not affect drop dynamics, unless frost is present on the surface.
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ANTONINI, Carlo. "Superhydrophobicity as a strategy against icing. Analysis of the water/surface dynamic interaction for icing mitigation." Doctoral thesis, Università degli studi di Bergamo, 2011. http://hdl.handle.net/10446/222126.
Повний текст джерелаАнотація:
The thesis illustrates the efforts made to proof how water repellent surfaces can help reducing ice accretion in icing conditions: tests performed in an icing wind tunnel showed that application of superhydrophobic coatings allow considerable savings in supplied heating power, necessary to keep an aerodynamic wing clean from ice, and reduce runback ice, which often forms in unprotected areas. The present thesis is the result of a three year research study, aimed at understanding the potential of superhydrophobicity for combating icing accretion on aircrafts. The project was performed in the framework of a collaboration between University of Bergamo, University of Alberta and Alenia Aermacchi, an Italian aeronautic company. A considerable part of the work has been devoted to understanding the dynamic interaction between the liquid and the solid surface through single drop impact experiments. Performing drop impact studies allowed explaining the role of different parameters, e.g. impact Weber number and surface wettability, during drop impact on a solid surface and identifying the mechanisms that promote water shedding from the surface. Water drop impact tests performed in isothermal conditions allowed to understand in which conditions surface wettability has an effect on drop dynamics, and also to evaluate characteristic times related to drop impact (e.g. spreading time and rebound time). Water drop impact in freezing conditions, i.e. on surfaces below 0°C, showed that surface temperature does not affect drop dynamics, unless frost is present on the surface.
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Neuber, Michael. "Commedia del Conflitto." Doctoral thesis, Humboldt-Universität zu Berlin, 2018. http://dx.doi.org/10.18452/19120.
Повний текст джерелаАнотація:
Ausgehend von der Fragestellung, wie es möglich ist, dass der Körper durch bestimmte Erscheinungen und Handlungen zur Ressource visueller Kommunikation im Protest wird, leistet die vorliegende Dissertation zwei innovative Forschungsbeiträge: Zum einen wird die Rolle des Körpers in der Interaktionsordnung kollektiven Handelns theoretisch aufgearbeitet. Damit werden zwei miteinander verwobene Lücken im Bereich der Protest- und Bewegungsforschung adressiert: Die unzureichende Auseinandersetzung mit visuellen Aspekten der Aktivität sozialer Bewegungen und die, trotz einiger Aufmerksamkeit für soziale Inszenierung, weitgehende Ausblendung der Rolle des Körpers bei der Betrachtung von Bewegungshandeln. Zum anderen wird auf Grundlage der theoretischen Erkenntnisse eine Methodologie entwickelt, die sich besonders für die Erforschung von Körperlichkeit in Verbindung mit den Interaktionsdynamiken im Protest eignet. Den Körper operationalisiere ich als Visualisierungsmedium im Konzept des Bild-Körpers mit Anleihen bei der Bild- und Drama-Theorie. Die empirische Analyse von Videomaterial zu den Anti-Castor-Protesten in der Region Wendland (Deutschland) des Jahres 2008 zeigte, dass der Körper als Symbolträger in Mikrodramen - kurzen dramatischen Interaktionsfolgen - in Erscheinung tritt, über die der Protest selbst zum mobilisierenden Ereignis wird. Durch Mikrodramen werden die Akteure unmittelbar mit den Narrativen und Master-Frames des Protests verbunden. Der sonst rhetorische Konflikt zwischen Aktivisten und Protestadressaten wird physisch manifest in Zeit und Raum. Die Verkörperung normativ geladener Konstellationen von antagonistischen Charakteren ist dabei ein wesentliches Moment. Die notwendige Spannung wird durch die Kompositionen der Bild-Körper vor allem im Sinnbild der Grenzverletzung konstruiert, worin der Angriff und die Verteidigung des Körpers eine Verbindung zu den emotionalen Konstruktionen der Würde und des Anstands herstellen.By asking how the human body becomes a crucial resource of visual communication in protest, this research advances scholarship in two main ways. First, I theorize the role of the body in terms of its appearances and actions, and in relation to collective action. Despite some scholarship attending to performative politics, this inquiry addresses several gaps in the theorizing about social movements such as the visual and embodied aspects of protest. Second, to anchor my theorization of the socially and physically situated body, I develop a methodology for researching corporality in association with protest interaction dynamics. I identify and conceptualize the body as a medium of visualization, which I call the pictorial body. Linking the pictorial body concept to the interface between scripts, narratives, and genres (SNG complex) lends the analyses to accounts of visual and dramaturgical theory. Empirically, I use original video data of the 2008 Anti-Castor protest campaign in Germany's Wendland. Findings show that the pictorial body is a primary carrier of symbolism in protest micro-dramas - short dramatic interaction episodes between challengers, targets, and third parties. As the most proximate medium, corporeal mobilizing experience - the call for action - can be treated as an outcome of protest action rather than only as a precondition. I argue that the embodied nature of micro-dramas during protest directly connects actors to movement narratives and master frames by making physically manifest in both space and time what is otherwise a rhetorical conflict. The embodiment of normatively framed constellations of antagonist characters is essential to this. More specifically, a conflictual relationship was crafted primarily by the composition of pictorial bodies in images of border violations, in which the attack and defense of the body connects to the emotionalizing constructs of dignity and decency.
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Boly, Raïnatou. "Caractérisation des propriétés anti-inflammatoires et anticancéreuses de la plante Agelanthus dodoneifolius (DC) Polh. & Wiens (Loranthaceae) utilisée en médecine traditionnelle au Burkina Faso." Doctoral thesis, Universite Libre de Bruxelles, 2012. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209769.
Повний текст джерелаАнотація:
Le présent travail a porté sur l’évaluation des propriétés anti-inflammatoires et anticancéreuses de Agelanthus dodoneifolius (Loranthaceae), communément appelée «gui africain». Cette plante hémiparasite est utilisée en médecine traditionnelle africaine pour le traitement de pathologies chroniques telles que l’asthme, l’hypertension, des gastroentérites et le cancer. Actuellement, les maladies chroniques représentent un problème mondial de santé publique. En effet, elles constituent la première cause de mortalité dans le monde surtout dans les pays à revenu faible ou intermédiaire. Cette étude a été réalisée dans le but d’apporter une validation scientifique quant à certaines utilisations traditionnelles de Agelanthus dodoneifolius.
Pour évaluer l’effet anti-inflammatoire de Agelanthus dodoneifolius, nous avons testé les différentes fractions de la plante sur la production des espèces réactives de l’oxygène, la libération et l’activité spécifique de la myéloperoxydase (MPO), enzyme libérée par le neutrophile au cours de la phagocytose pour détruire les microorganismes. L’identification et la quantification des composés a été faite grâce à une combinaison des méthodes chromatographiques, spectrophotométriques et spectrométriques. L’activité anticancéreuse de Agelanthus dodoneifolius a consisté, d’abord, à déterminer l’effet d’inhibition de croissance de diverses fractions de la plante, de la quercétine ainsi que de ses dérivés sur des lignées cellulaires cancéreuses. Nous avons ensuite déterminé les effets de la quercétine sur l’activité de plus de 300 kinases.
Les résultats obtenus montrent qu’Agelanthus dodoneifolius est capable de moduler les activités biologiques des neutrophiles. En effet, le décocté aqueux et les fractions organiques de la plante inhibent de manière dose-dépendante la production des espèces réactives de l’oxygène, la dégranulation du neutrophile et l’activité spécifique de la myéloperoxydase. Nous avons pu identifier et quantifier dix composés polyphénoliques dont quatre acides phénoliques :l’acide gallique, l’acide coumarique, l’acide chlorogénique et l’acide ellagique et six flavonoïdes :la quercétine, le kaempférol, la catéchine, l’isoquercitrine ou quercétine 3-O-glucoside, la rutine et la miquelianine ou quercétine-3-O-glucuronide.
Concernant l’activité anticancéreuse, les résultats montrent que seules les fractions à l’éther diéthylique et à l’acétate d’éthyle ont une activité antiproliférative. La quercétine a des effets inhibiteurs de croissance, cytostatiques et présente un large spectre d’activité sur plusieurs kinases surexprimées dans certains cancers.
En conclusion, l’ensemble de ces résultats constitue des bases scientifiques qui pourraient justifier certaines utilisations traditionnelles de Agelanthus dodoneifolius.
À notre connaissance, cette étude est la première à évaluer d’une part l’effet, in vitro, des différentes fractions de Agelanthus dodoneifolius sur des neutrophiles stimulés et sur la MPO et d’autre part l’effet inhibiteur de croissance de lignées cellulaires cancéreuses par certaines fractions de la plante. En outre, cette étude a permis pour la première fois d’identifier et de quantifier des composés polyphénoliques dans Agelanthus dodoneifolius. Les nombreuses propriétés de ces composés, notamment celles anti-inflammatoires et anticancéreuses, peuvent expliquer en partie les résultats reportés dans ce travail.
This work focused on evaluating anti-inflammatory and anticancer activities of Agelanthus dodoneifolius (Loranthaceae), commonly called "African mistletoe". This plant is used in African traditional medicine for the treatment of chronic conditions such as asthma, hypertension, gastroenteritis and cancer. Currently, chronic diseases are a global public health problem. Indeed, they are the leading cause of death worldwide, especially in countries with low and middle income.
The study was conducted to provide scientific validation for some traditional uses of Agelanthus dodoneifolius.
To characterize the anti-inflammatory activity of Agelanthus dodoneifolius, we tested the different fractions of the plant on reactive oxygen species production, release and the specific activity of myeloperoxidase, an enzyme released by neutrophils during phagocytosis to destroy microorganisms. The identification and quantification of compounds were made through a combination of chromatographic, spectrophotometric and spectrometric techniques. The anticancer activity of Agelanthus dodoneifolius consisted, first, to determine, the antiproliferative effect of fractions of the plant, quercetin and its derivatives on cancer cell lines. Then, we determined the effects of quercetin on the activity of more than 300 kinases.
The results show that Agelanthus dodoneifolius is capable of modulating the biological activities of neutrophils. In fact, the decoction aqueous and organic fractions of the plant inhibited in a dose-dependent manner the production of reactive oxygen species, degranulation of neutrophils and specific activity of myeloperoxidase.
We were able to identify and quantify ten polyphenolic compounds including four phenolic acids: gallic acid, coumaric acid, chlorogenic acid and ellagic acid and six flavonoids: quercetin, kaempferol, catechin, isoquercitrin or quercetin 3-O-glucoside, rutin and miquelianin or quercetin-3-O-glucuronide.
Regarding the anticancer activity, the results show that only fractions with diethyl ether and ethyl acetate have antiproliferative activity. Quercetin has antiproliferative and cytostatic effects and presents a broad spectrum of activity on several kinases overexpressed in certain cancers.
In conclusion, all these findings are scientific basis that could justify some traditional uses of Agelanthus dodoneifolius. To our knowledge, this is the first study to evaluate the effect firstly, by in vitro tests, of the different fractions of Agelanthus dodoneifolius on stimulated neutrophils and the MPO and secondly the growth inhibitory effect of cancer cell lines by certain fractions. Also, this study is the first to identify and quantify the phenolic compounds in Agelanthus dodoneifolius. The many properties of these compounds, including anti-inflammatory and anticancer, may partly explain the results reported in the present work.
Doctorat en Sciences biomédicales et pharmaceutiques
info:eu-repo/semantics/nonPublished
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Balestri, Roberto. "Intelligenza artificiale e industrie culturali storia, tecnologie e potenzialità dell’ia nella produzione cinematografica." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amslaurea.unibo.it/25176/.
Повний текст джерелаАнотація:
Negli ultimi anni stiamo assistendo, in svariati campi, a un sempre più vasto utilizzo di tecnologie che utilizzano quella che viene comunemente chiamata “intelligenza artificiale”. Anche il settore audiovisivo, da sempre recettore di novità e incline a evolversi continuamente, sta già vivendo quei processi che lo porteranno a essere rivoluzionato da questo tipo di tecnologie.
In un periodo di frenetico progresso scientifico è difficile riuscire a fissare nel tempo e su carta lo stato attuale dello sviluppo tecnologico, dato che ciò che oggi viene considerato come novità domani potrebbe già essere stato superato.
È necessario, quindi, uno strumento che riesca a catalogare, se non tutte, almeno le più importanti rivoluzionarie tecnologie d’intelligenza artificiale che hanno investito il mondo della produzione artistica e delle industrie culturali. Uno studio approfondito è dedicato, in particolare, all’industria cinematografica.
Dopo una breve introduzione di carattere storico, vengono descritti i principali tipi di rete neurale artificiale e la loro evoluzione. Sono poi delineate e descritte le principali tecnologie d’IA applicate all’elaborazione, comprensione e generazione automatica o assistita d’immagine e testo. Ancora più nel dettaglio sono osservate alcune soluzioni tecnologiche che interessano le varie fasi del processo di produzione cinematografica, come la fase di scrittura e analisi della sceneggiatura, quella di editing e montaggio video, così come quelle riguardanti l’implementazione di effetti visivi e la composizione musicale.
Il testo risulta essere, da un lato, una fotografia sul passato che ha interessato lo sviluppo delle tecnologie d’IA, dall’altro uno strumento che illustra il presente così da aiutarci, se non a predire, almeno a non trovarci completamente impreparati di fronte agli sviluppi futuri che interesseranno sia la produzione audiovisiva che, in senso più ampio, la nostra vita di tutti i giorni.
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Alcantara, Fabio. "Godard teorico, Godard elettronico. L'identità dell'immagine cinematografica e gli "anni video" (1975-1980)." Doctoral thesis, 2022. http://hdl.handle.net/2158/1263281.
Повний текст джерелаАнотація:
La ricerca indaga i cosiddetti «anni video» di Jean-Luc Godard attraverso una prospettiva teorica precisa che guarda in particolar modo a quel plesso di problemi che ruota attorno alla questione del rapporto tra realtà e immagine in seno al dispositivo cinematografico (l’intrinseca «duplicità» dell’immagine filmica). Il lavoro scorge dunque nella seconda metà degli anni settanta del cineasta franco-svizzero il momento di una decisiva riaffermazione e riconfigurazione di una simile questione descrivendo dunque in tal senso le precipue articolazioni elaborative e configurative del periodo. Gli esordi godardiani sono quindi ripercorsi nel corso del primo capitolo ponendo particolare attenzione all’importanza dell’istitutivo insegnamento di André Bazin e, più in generale, alla produzione critica e teorica dei «Cahiers du cinéma» degli anni cinquanta, prima di approfondire gli specifici esiti con cui i lavori dei godardiani «anni Karina» ripensano quelle stesse premesse teoriche all’interno del nuovo contesto visivo degli anni sessanta. Si tratta, da sempre, per il cineasta franco-svizzero essenzialmente di lavorare attorno alle possibilità di sussistenza di un’immagine duplice, attraverso un incessante lavoro di riconfigurazione che non smette di verificarne i tratti di resilienza. In tal senso, la fase politico-militante del cinema di Godard (i cosiddetti «anni Mao) viene descritta nel secondo capitolo come unica vera e propria presa di distanza del regista da una ricerca propriamente filmica, un allontanamento dal cinema che dovrà essere inteso ancora attraverso gli strumenti della teoria: abbandono della ricerca attorno alla questione della dualità e scadimento della dimensione documentaria dell’immagine che cede il passo all’elaborazione di una “finzione materialista”. Proprio il recupero della forza testimoniale dell’immagine sembra dunque, di contro, contraddistinguere gli anni «video». Il terzo capitolo affronta in tal senso la questione della riarticolazione della duplicità nei primi film del periodo (Ici et ailleurs, Numéro deux, Comment ça va?), rilanciata grazie alle nuove possibilità poietiche proprie dell’immagine elettronica e attraverso un preciso lavoro sul fuoricampo dell’immagine. Il quarto capitolo indaga quindi i lavori conclusivi degli «anni video», le due serie televisive (Six fois deux, France tour détour deux enfants) che si configurano come un vero e proprio sogno di televisione cinematografica: tentativo di attentare ai flussi del piccolo schermo e, allo stesso tempo, di ritrovare (lavorando in particolar modo sulla forma dell’intervista) l’alterità (del mondo) che sempre abita l’immagine. Il quinto capitolo sottopone dunque a verifica i risultati del percorso critico e teorico compiuto da questo studio proprio attraverso l’analisi dettagliata di alcuni significativi momenti delle serie.